Glue gun



FIG. 1 is a side view of a glue gun showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a bottom view thereof.

The broken line showing the stand is included for the purpose of illustrating unclaimed structure and forms no part of the claimed design. 

We claim the ornamental design for a glue gun, as shown and described. 